.mainBody{width: 1280px;margin-left: auto;margin-right: auto;font-family: "微软雅黑";}
.header{float: left;width: 100%;height: 53px;margin-top: 10px;margin-bottom: 6px;}
.headerLogo{float: left;width: 165px; margin-left: 45px;}
.logo{float:left;margin-right: 16px;}
.logoText{float: left;margin-top: 10px;}
.contact_us{float: right; margin-right: 10px;}
.phone{float: left;margin-right: 17px;}


.upBody{float: left;width: 100%;height: 450px;background-image: url(/Public/home/images/bk_up.png);margin-top: 50px; background-size: 100% 100%;text-align: center;}

.btn_download{
    display: inline-block;
    width: 150px;
    height: 50px;
    margin-top: 40px;
    cursor: hand;
    background:url("/Public/home/images/btn_download.png");
    background-repeat:no-repeat;
    background-position:0 0;
}

.btn_download:hover {
    background:url("/Public/home/images/btn_download.png");
    background-position:150px 0;
}

.midBody{float: left;width:100%;height: 250px;}
.midBodySub{display:flex;width: 1180px;margin-left: auto;margin-right: auto;margin-top: 40px;}
.midItem{float: left;width: 33.333%; text-align: center;}

.functionTitle{float: left;width: 100%;font-size: 22px;font-weight: bold;color: #444;margin-top: 20px;}
.descTitle{float: left;width: 100%;font-size: 16px;color: #888;margin-top: 10px;}

.downBody{float: left;width: 100%;height: 400px;margin-top: 100px;}
.companyInfo{float: left;width: 360px;margin: 100px 0 0 116px;}
.contact_us_title{float: left;width: 100%;margin-bottom: 10px;font-size: 24px; font-weight: bold;}
.textItem{float: left;width: 100%;margin-top: 20px;color: #444;font-size: 16px;}
.contact_us{float: right;margin-right: 90px;}

.footer{float: left;margin-top:50px;margin-bottom:30px;padding-top:15px;width: 100%;height: 35px;text-align: center;border-top: solid #bbb 1px;font-size: 14px;color: #999;}